99713963973 has 96 divisors (see below), whose sum is σ = 158096547840. Its totient is φ = 55360609920.

The previous prime is 99713963971. The next prime is 99713963977. The reversal of 99713963973 is 37936931799.

It is not a de Polignac number, because 99713963973 - 2¹ = 99713963971 is a prime.

It is a super-2 number, since 2×99713963973² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99713963971) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 103116336 + ... + 103117302.

It is an arithmetic number, because the mean of its divisors is an integer number (1646839040).

Almost surely, 2^99713963973 is an apocalyptic number.

99713963973 is a gapful number since it is divisible by the number (93) formed by its first and last digit.

It is an amenable number.

99713963973 is a deficient number, since it is larger than the sum of its proper divisors (58382583867).

99713963973 is a wasteful number, since it uses less digits than its factorization.

99713963973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167 (or 1100 counting only the distinct ones).

The product of its digits is 52081218, while the sum is 66.

The spelling of 99713963973 in words is "ninety-nine billion, seven hundred thirteen million, nine hundred sixty-three thousand, nine hundred seventy-three".